The Spin-X16X Silver Thermal Hub Printable Everest 4.7GB DVD-R Cake Box - 500pc was engineered for the professional market. The Spin-X DVD optical media features low error rates and low jitter yield for stable data performance. Grade A Professional DVD-R Optical Media meets the highest customer standards; designed to provide the highest compatibility with players, writers and duplicators. Low error rates and low jitter yield stable data performance. TAA Compliant for government purchasing, ISO9001 Certified and RoHS Compliant.